张家港市金港镇水环境质量特征及污染源解析

Analysis of Water Quality Characteristics and pollution Sources in Jingang Town,Zhangjiagang City

以张家港市金港镇为研究对象,采用内梅罗污染指数法对区域内通江河道及各片区支河水质进行了评价分析,并对区域各类污染源排放负荷进行了解析,结果表明:区域通江河道水质整体处于清沽水平,其他支河总体为轻度污染,主要的污染因子为NH_(3)-N,未收集生活源是区域主要污染来源。在此基础.上,分析了水环境问题成因,并提出了促进水质改善的对策建议。

Taking Jingang Town,Zhangjiagang City as the research object,the Nemerow pollution index method was used to evaluate and analyze the water quality of the tributaries of Yangtze River and the other tributaries in the region,and the discharge loads of various pollution sources in the region were analyzed.The results showed that the water quality of the tributaries of Y angtze River in the region was in a clean level as a whole,while the other tributaries were slightly polluted,with the main pollution factor being NH_(3)-N,and the unollected domestie sources were the main pollution sources.On this basis,the causes of water environment problems were analyzed,and countermeasures and suggestions for promoting water quality improvement were put forward.